Home / 3,105,830.94-4,658,744.97-861,968.22

Finding the Fourth Proportional to 3,105,830.94, 4,658,744.97 and 861,968.22

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Solution

The fourth proportional to 3,105,830.94, 4,658,744.97 and 861,968.22 is: 1,292,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,830.94 : 4,658,744.97 = 861,968.22 : x
  2. Step 2: Convert to fraction form
    3,105,830.94/4,658,744.97 = 861,968.22/x
  3. Step 3: Cross multiply
    3,105,830.94x = 4,658,744.97 × 861,968.22
  4. Step 4: Simplify right side
    3,105,830.94x = 4,015,690,109,224.85
  5. Step 5: Solve for x
    x = 4,015,690,109,224.85/3,105,830.94
  6. Step 6: Final answer
    x = 1,292,951.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.